Home / 112,312.32-167,446.71-99,690.60

Finding the Fourth Proportional to 112,312.32, 167,446.71 and 99,690.60

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Solution

The fourth proportional to 112,312.32, 167,446.71 and 99,690.60 is: 148,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.32 : 167,446.71 = 99,690.60 : x
  2. Step 2: Convert to fraction form
    112,312.32/167,446.71 = 99,690.60/x
  3. Step 3: Cross multiply
    112,312.32x = 167,446.71 × 99,690.60
  4. Step 4: Simplify right side
    112,312.32x = 16,692,862,987.93
  5. Step 5: Solve for x
    x = 16,692,862,987.93/112,312.32
  6. Step 6: Final answer
    x = 148,628.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.