Home / 99,482.37-137,281.17-54,159.21

Finding the Fourth Proportional to 99,482.37, 137,281.17 and 54,159.21

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Solution

The fourth proportional to 99,482.37, 137,281.17 and 54,159.21 is: 74,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.37 : 137,281.17 = 54,159.21 : x
  2. Step 2: Convert to fraction form
    99,482.37/137,281.17 = 54,159.21/x
  3. Step 3: Cross multiply
    99,482.37x = 137,281.17 × 54,159.21
  4. Step 4: Simplify right side
    99,482.37x = 7,435,039,715.08
  5. Step 5: Solve for x
    x = 7,435,039,715.08/99,482.37
  6. Step 6: Final answer
    x = 74,737.26

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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.