Home / 230,875.32-318,612.92-127,509.20

Finding the Fourth Proportional to 230,875.32, 318,612.92 and 127,509.20

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Solution

The fourth proportional to 230,875.32, 318,612.92 and 127,509.20 is: 175,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,875.32 : 318,612.92 = 127,509.20 : x
  2. Step 2: Convert to fraction form
    230,875.32/318,612.92 = 127,509.20/x
  3. Step 3: Cross multiply
    230,875.32x = 318,612.92 × 127,509.20
  4. Step 4: Simplify right side
    230,875.32x = 40,626,078,538.86
  5. Step 5: Solve for x
    x = 40,626,078,538.86/230,875.32
  6. Step 6: Final answer
    x = 175,965.45

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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.