Home / 142,153.38-213,292.31-67,326.93

Finding the Fourth Proportional to 142,153.38, 213,292.31 and 67,326.93

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Solution

The fourth proportional to 142,153.38, 213,292.31 and 67,326.93 is: 101,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,153.38 : 213,292.31 = 67,326.93 : x
  2. Step 2: Convert to fraction form
    142,153.38/213,292.31 = 67,326.93/x
  3. Step 3: Cross multiply
    142,153.38x = 213,292.31 × 67,326.93
  4. Step 4: Simplify right side
    142,153.38x = 14,360,316,088.27
  5. Step 5: Solve for x
    x = 14,360,316,088.27/142,153.38
  6. Step 6: Final answer
    x = 101,019.87

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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.