Home / 147,498.36-221,248.74-42,320.66

Finding the Fourth Proportional to 147,498.36, 221,248.74 and 42,320.66

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Solution

The fourth proportional to 147,498.36, 221,248.74 and 42,320.66 is: 63,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,498.36 : 221,248.74 = 42,320.66 : x
  2. Step 2: Convert to fraction form
    147,498.36/221,248.74 = 42,320.66/x
  3. Step 3: Cross multiply
    147,498.36x = 221,248.74 × 42,320.66
  4. Step 4: Simplify right side
    147,498.36x = 9,363,392,700.97
  5. Step 5: Solve for x
    x = 9,363,392,700.97/147,498.36
  6. Step 6: Final answer
    x = 63,481.33

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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.