Home / 114,823.12-158,482.56-72,439.60

Finding the Fourth Proportional to 114,823.12, 158,482.56 and 72,439.60

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Solution

The fourth proportional to 114,823.12, 158,482.56 and 72,439.60 is: 99,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,823.12 : 158,482.56 = 72,439.60 : x
  2. Step 2: Convert to fraction form
    114,823.12/158,482.56 = 72,439.60/x
  3. Step 3: Cross multiply
    114,823.12x = 158,482.56 × 72,439.60
  4. Step 4: Simplify right side
    114,823.12x = 11,480,413,253.38
  5. Step 5: Solve for x
    x = 11,480,413,253.38/114,823.12
  6. Step 6: Final answer
    x = 99,983.46

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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.