Home / 152,001.60-228,002.40-127,507.20

Finding the Fourth Proportional to 152,001.60, 228,002.40 and 127,507.20

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Solution

The fourth proportional to 152,001.60, 228,002.40 and 127,507.20 is: 191,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,001.60 : 228,002.40 = 127,507.20 : x
  2. Step 2: Convert to fraction form
    152,001.60/228,002.40 = 127,507.20/x
  3. Step 3: Cross multiply
    152,001.60x = 228,002.40 × 127,507.20
  4. Step 4: Simplify right side
    152,001.60x = 29,071,947,617.28
  5. Step 5: Solve for x
    x = 29,071,947,617.28/152,001.60
  6. Step 6: Final answer
    x = 191,260.80

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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.