Home / 145,133.75-200,306.45-88,577.93

Finding the Fourth Proportional to 145,133.75, 200,306.45 and 88,577.93

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Solution

The fourth proportional to 145,133.75, 200,306.45 and 88,577.93 is: 122,250.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,133.75 : 200,306.45 = 88,577.93 : x
  2. Step 2: Convert to fraction form
    145,133.75/200,306.45 = 88,577.93/x
  3. Step 3: Cross multiply
    145,133.75x = 200,306.45 × 88,577.93
  4. Step 4: Simplify right side
    145,133.75x = 17,742,730,706.65
  5. Step 5: Solve for x
    x = 17,742,730,706.65/145,133.75
  6. Step 6: Final answer
    x = 122,250.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.