Home / 112,479.52-168,730.80-42,417.76

Finding the Fourth Proportional to 112,479.52, 168,730.80 and 42,417.76

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Solution

The fourth proportional to 112,479.52, 168,730.80 and 42,417.76 is: 63,630.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,479.52 : 168,730.80 = 42,417.76 : x
  2. Step 2: Convert to fraction form
    112,479.52/168,730.80 = 42,417.76/x
  3. Step 3: Cross multiply
    112,479.52x = 168,730.80 × 42,417.76
  4. Step 4: Simplify right side
    112,479.52x = 7,157,182,579.01
  5. Step 5: Solve for x
    x = 7,157,182,579.01/112,479.52
  6. Step 6: Final answer
    x = 63,630.98

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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.