Home / 144,024.30-216,036.45-121,214.70

Finding the Fourth Proportional to 144,024.30, 216,036.45 and 121,214.70

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Solution

The fourth proportional to 144,024.30, 216,036.45 and 121,214.70 is: 181,822.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.30 : 216,036.45 = 121,214.70 : x
  2. Step 2: Convert to fraction form
    144,024.30/216,036.45 = 121,214.70/x
  3. Step 3: Cross multiply
    144,024.30x = 216,036.45 × 121,214.70
  4. Step 4: Simplify right side
    144,024.30x = 26,186,793,475.82
  5. Step 5: Solve for x
    x = 26,186,793,475.82/144,024.30
  6. Step 6: Final answer
    x = 181,822.05

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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.