Home / 112,246.40-168,434.40-42,132.80

Finding the Fourth Proportional to 112,246.40, 168,434.40 and 42,132.80

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Solution

The fourth proportional to 112,246.40, 168,434.40 and 42,132.80 is: 63,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.40 : 168,434.40 = 42,132.80 : x
  2. Step 2: Convert to fraction form
    112,246.40/168,434.40 = 42,132.80/x
  3. Step 3: Cross multiply
    112,246.40x = 168,434.40 × 42,132.80
  4. Step 4: Simplify right side
    112,246.40x = 7,096,612,888.32
  5. Step 5: Solve for x
    x = 7,096,612,888.32/112,246.40
  6. Step 6: Final answer
    x = 63,223.52

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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.