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Finding the Fourth Proportional to 140,214.69, 210,320.01 and 65,292.93

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Solution

The fourth proportional to 140,214.69, 210,320.01 and 65,292.93 is: 97,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.69 : 210,320.01 = 65,292.93 : x
  2. Step 2: Convert to fraction form
    140,214.69/210,320.01 = 65,292.93/x
  3. Step 3: Cross multiply
    140,214.69x = 210,320.01 × 65,292.93
  4. Step 4: Simplify right side
    140,214.69x = 13,732,409,690.53
  5. Step 5: Solve for x
    x = 13,732,409,690.53/140,214.69
  6. Step 6: Final answer
    x = 97,938.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.