Home / 112,514.80-168,545.40-70,265.20

Finding the Fourth Proportional to 112,514.80, 168,545.40 and 70,265.20

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Solution

The fourth proportional to 112,514.80, 168,545.40 and 70,265.20 is: 105,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,514.80 : 168,545.40 = 70,265.20 : x
  2. Step 2: Convert to fraction form
    112,514.80/168,545.40 = 70,265.20/x
  3. Step 3: Cross multiply
    112,514.80x = 168,545.40 × 70,265.20
  4. Step 4: Simplify right side
    112,514.80x = 11,842,876,240.08
  5. Step 5: Solve for x
    x = 11,842,876,240.08/112,514.80
  6. Step 6: Final answer
    x = 105,256.16

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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.