Home / 112,518.90-168,679.02-42,447.42

Finding the Fourth Proportional to 112,518.90, 168,679.02 and 42,447.42

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Solution

The fourth proportional to 112,518.90, 168,679.02 and 42,447.42 is: 63,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.90 : 168,679.02 = 42,447.42 : x
  2. Step 2: Convert to fraction form
    112,518.90/168,679.02 = 42,447.42/x
  3. Step 3: Cross multiply
    112,518.90x = 168,679.02 × 42,447.42
  4. Step 4: Simplify right side
    112,518.90x = 7,159,989,207.13
  5. Step 5: Solve for x
    x = 7,159,989,207.13/112,518.90
  6. Step 6: Final answer
    x = 63,633.66

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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.