Home / 145,188.34-217,698.75-56,338.02

Finding the Fourth Proportional to 145,188.34, 217,698.75 and 56,338.02

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Solution

The fourth proportional to 145,188.34, 217,698.75 and 56,338.02 is: 84,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,188.34 : 217,698.75 = 56,338.02 : x
  2. Step 2: Convert to fraction form
    145,188.34/217,698.75 = 56,338.02/x
  3. Step 3: Cross multiply
    145,188.34x = 217,698.75 × 56,338.02
  4. Step 4: Simplify right side
    145,188.34x = 12,264,716,531.48
  5. Step 5: Solve for x
    x = 12,264,716,531.48/145,188.34
  6. Step 6: Final answer
    x = 84,474.53

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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.