Home / 142,206.95-213,345.51-42,366.75

Finding the Fourth Proportional to 142,206.95, 213,345.51 and 42,366.75

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Solution

The fourth proportional to 142,206.95, 213,345.51 and 42,366.75 is: 63,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,206.95 : 213,345.51 = 42,366.75 : x
  2. Step 2: Convert to fraction form
    142,206.95/213,345.51 = 42,366.75/x
  3. Step 3: Cross multiply
    142,206.95x = 213,345.51 × 42,366.75
  4. Step 4: Simplify right side
    142,206.95x = 9,038,755,885.79
  5. Step 5: Solve for x
    x = 9,038,755,885.79/142,206.95
  6. Step 6: Final answer
    x = 63,560.58

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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.