Home / 132,312.32-182,590.08-72,697.60

Finding the Fourth Proportional to 132,312.32, 182,590.08 and 72,697.60

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Solution

The fourth proportional to 132,312.32, 182,590.08 and 72,697.60 is: 100,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,312.32 : 182,590.08 = 72,697.60 : x
  2. Step 2: Convert to fraction form
    132,312.32/182,590.08 = 72,697.60/x
  3. Step 3: Cross multiply
    132,312.32x = 182,590.08 × 72,697.60
  4. Step 4: Simplify right side
    132,312.32x = 13,273,860,599.81
  5. Step 5: Solve for x
    x = 13,273,860,599.81/132,312.32
  6. Step 6: Final answer
    x = 100,322.18

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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.