Home / 153,931.02-230,931.12-54,098.10

Finding the Fourth Proportional to 153,931.02, 230,931.12 and 54,098.10

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Solution

The fourth proportional to 153,931.02, 230,931.12 and 54,098.10 is: 81,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,931.02 : 230,931.12 = 54,098.10 : x
  2. Step 2: Convert to fraction form
    153,931.02/230,931.12 = 54,098.10/x
  3. Step 3: Cross multiply
    153,931.02x = 230,931.12 × 54,098.10
  4. Step 4: Simplify right side
    153,931.02x = 12,492,934,822.87
  5. Step 5: Solve for x
    x = 12,492,934,822.87/153,931.02
  6. Step 6: Final answer
    x = 81,159.31

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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.