Home / 147,407.04-221,238.72-77,335.68

Finding the Fourth Proportional to 147,407.04, 221,238.72 and 77,335.68

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Solution

The fourth proportional to 147,407.04, 221,238.72 and 77,335.68 is: 116,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,407.04 : 221,238.72 = 77,335.68 : x
  2. Step 2: Convert to fraction form
    147,407.04/221,238.72 = 77,335.68/x
  3. Step 3: Cross multiply
    147,407.04x = 221,238.72 × 77,335.68
  4. Step 4: Simplify right side
    147,407.04x = 17,109,646,853.53
  5. Step 5: Solve for x
    x = 17,109,646,853.53/147,407.04
  6. Step 6: Final answer
    x = 116,070.76

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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.