Home / 348,754.18-523,136.13-99,436.18

Finding the Fourth Proportional to 348,754.18, 523,136.13 and 99,436.18

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Solution

The fourth proportional to 348,754.18, 523,136.13 and 99,436.18 is: 149,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,754.18 : 523,136.13 = 99,436.18 : x
  2. Step 2: Convert to fraction form
    348,754.18/523,136.13 = 99,436.18/x
  3. Step 3: Cross multiply
    348,754.18x = 523,136.13 × 99,436.18
  4. Step 4: Simplify right side
    348,754.18x = 52,018,658,387.18
  5. Step 5: Solve for x
    x = 52,018,658,387.18/348,754.18
  6. Step 6: Final answer
    x = 149,155.66

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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.