Home / 142,250.72-213,386.97-42,403.28

Finding the Fourth Proportional to 142,250.72, 213,386.97 and 42,403.28

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Solution

The fourth proportional to 142,250.72, 213,386.97 and 42,403.28 is: 63,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,250.72 : 213,386.97 = 42,403.28 : x
  2. Step 2: Convert to fraction form
    142,250.72/213,386.97 = 42,403.28/x
  3. Step 3: Cross multiply
    142,250.72x = 213,386.97 × 42,403.28
  4. Step 4: Simplify right side
    142,250.72x = 9,048,307,437.26
  5. Step 5: Solve for x
    x = 9,048,307,437.26/142,250.72
  6. Step 6: Final answer
    x = 63,608.17

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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.