Home / 152,373.90-210,275.79-85,306.38

Finding the Fourth Proportional to 152,373.90, 210,275.79 and 85,306.38

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Solution

The fourth proportional to 152,373.90, 210,275.79 and 85,306.38 is: 117,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,373.90 : 210,275.79 = 85,306.38 : x
  2. Step 2: Convert to fraction form
    152,373.90/210,275.79 = 85,306.38/x
  3. Step 3: Cross multiply
    152,373.90x = 210,275.79 × 85,306.38
  4. Step 4: Simplify right side
    152,373.90x = 17,937,866,446.54
  5. Step 5: Solve for x
    x = 17,937,866,446.54/152,373.90
  6. Step 6: Final answer
    x = 117,722.70

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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.