Home / 103,388.81-155,084.02-56,616.17

Finding the Fourth Proportional to 103,388.81, 155,084.02 and 56,616.17

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Solution

The fourth proportional to 103,388.81, 155,084.02 and 56,616.17 is: 84,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,388.81 : 155,084.02 = 56,616.17 : x
  2. Step 2: Convert to fraction form
    103,388.81/155,084.02 = 56,616.17/x
  3. Step 3: Cross multiply
    103,388.81x = 155,084.02 × 56,616.17
  4. Step 4: Simplify right side
    103,388.81x = 8,780,262,323.64
  5. Step 5: Solve for x
    x = 8,780,262,323.64/103,388.81
  6. Step 6: Final answer
    x = 84,924.69

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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.