Home / 229,001.05-316,026.51-127,023.19

Finding the Fourth Proportional to 229,001.05, 316,026.51 and 127,023.19

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Solution

The fourth proportional to 229,001.05, 316,026.51 and 127,023.19 is: 175,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,001.05 : 316,026.51 = 127,023.19 : x
  2. Step 2: Convert to fraction form
    229,001.05/316,026.51 = 127,023.19/x
  3. Step 3: Cross multiply
    229,001.05x = 316,026.51 × 127,023.19
  4. Step 4: Simplify right side
    229,001.05x = 40,142,695,424.77
  5. Step 5: Solve for x
    x = 40,142,695,424.77/229,001.05
  6. Step 6: Final answer
    x = 175,294.81

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1.5x scale

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.