Home / 112,307.76-168,417.36-42,148.80

Finding the Fourth Proportional to 112,307.76, 168,417.36 and 42,148.80

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Solution

The fourth proportional to 112,307.76, 168,417.36 and 42,148.80 is: 63,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,307.76 : 168,417.36 = 42,148.80 : x
  2. Step 2: Convert to fraction form
    112,307.76/168,417.36 = 42,148.80/x
  3. Step 3: Cross multiply
    112,307.76x = 168,417.36 × 42,148.80
  4. Step 4: Simplify right side
    112,307.76x = 7,098,589,623.17
  5. Step 5: Solve for x
    x = 7,098,589,623.17/112,307.76
  6. Step 6: Final answer
    x = 63,206.58

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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.