Home / 147,652.83-221,479.38-42,471.63

Finding the Fourth Proportional to 147,652.83, 221,479.38 and 42,471.63

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Solution

The fourth proportional to 147,652.83, 221,479.38 and 42,471.63 is: 63,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652.83 : 221,479.38 = 42,471.63 : x
  2. Step 2: Convert to fraction form
    147,652.83/221,479.38 = 42,471.63/x
  3. Step 3: Cross multiply
    147,652.83x = 221,479.38 × 42,471.63
  4. Step 4: Simplify right side
    147,652.83x = 9,406,590,279.99
  5. Step 5: Solve for x
    x = 9,406,590,279.99/147,652.83
  6. Step 6: Final answer
    x = 63,707.48

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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.