Home / 147,521.80-221,315.60-42,332.57

Finding the Fourth Proportional to 147,521.80, 221,315.60 and 42,332.57

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Solution

The fourth proportional to 147,521.80, 221,315.60 and 42,332.57 is: 63,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.80 : 221,315.60 = 42,332.57 : x
  2. Step 2: Convert to fraction form
    147,521.80/221,315.60 = 42,332.57/x
  3. Step 3: Cross multiply
    147,521.80x = 221,315.60 × 42,332.57
  4. Step 4: Simplify right side
    147,521.80x = 9,368,857,022.51
  5. Step 5: Solve for x
    x = 9,368,857,022.51/147,521.80
  6. Step 6: Final answer
    x = 63,508.29

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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.