Home / 187,011.86-280,330.74-67,036.18

Finding the Fourth Proportional to 187,011.86, 280,330.74 and 67,036.18

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Solution

The fourth proportional to 187,011.86, 280,330.74 and 67,036.18 is: 100,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,011.86 : 280,330.74 = 67,036.18 : x
  2. Step 2: Convert to fraction form
    187,011.86/280,330.74 = 67,036.18/x
  3. Step 3: Cross multiply
    187,011.86x = 280,330.74 × 67,036.18
  4. Step 4: Simplify right side
    187,011.86x = 18,792,301,946.17
  5. Step 5: Solve for x
    x = 18,792,301,946.17/187,011.86
  6. Step 6: Final answer
    x = 100,487.22

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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.