Home / 153,577.16-211,864.02-89,875.52

Finding the Fourth Proportional to 153,577.16, 211,864.02 and 89,875.52

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Solution

The fourth proportional to 153,577.16, 211,864.02 and 89,875.52 is: 123,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,577.16 : 211,864.02 = 89,875.52 : x
  2. Step 2: Convert to fraction form
    153,577.16/211,864.02 = 89,875.52/x
  3. Step 3: Cross multiply
    153,577.16x = 211,864.02 × 89,875.52
  4. Step 4: Simplify right side
    153,577.16x = 19,041,388,966.79
  5. Step 5: Solve for x
    x = 19,041,388,966.79/153,577.16
  6. Step 6: Final answer
    x = 123,985.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.