Home / 112,386.36-168,604.17-42,265.65

Finding the Fourth Proportional to 112,386.36, 168,604.17 and 42,265.65

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Solution

The fourth proportional to 112,386.36, 168,604.17 and 42,265.65 is: 63,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,386.36 : 168,604.17 = 42,265.65 : x
  2. Step 2: Convert to fraction form
    112,386.36/168,604.17 = 42,265.65/x
  3. Step 3: Cross multiply
    112,386.36x = 168,604.17 × 42,265.65
  4. Step 4: Simplify right side
    112,386.36x = 7,126,164,837.76
  5. Step 5: Solve for x
    x = 7,126,164,837.76/112,386.36
  6. Step 6: Final answer
    x = 63,407.74

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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.