Home / 147,335.02-221,068.08-77,197.92

Finding the Fourth Proportional to 147,335.02, 221,068.08 and 77,197.92

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Solution

The fourth proportional to 147,335.02, 221,068.08 and 77,197.92 is: 115,831.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,335.02 : 221,068.08 = 77,197.92 : x
  2. Step 2: Convert to fraction form
    147,335.02/221,068.08 = 77,197.92/x
  3. Step 3: Cross multiply
    147,335.02x = 221,068.08 × 77,197.92
  4. Step 4: Simplify right side
    147,335.02x = 17,065,995,954.39
  5. Step 5: Solve for x
    x = 17,065,995,954.39/147,335.02
  6. Step 6: Final answer
    x = 115,831.23

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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.