Home / 112,175.91-154,802.84-64,432.35

Finding the Fourth Proportional to 112,175.91, 154,802.84 and 64,432.35

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Solution

The fourth proportional to 112,175.91, 154,802.84 and 64,432.35 is: 88,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.91 : 154,802.84 = 64,432.35 : x
  2. Step 2: Convert to fraction form
    112,175.91/154,802.84 = 64,432.35/x
  3. Step 3: Cross multiply
    112,175.91x = 154,802.84 × 64,432.35
  4. Step 4: Simplify right side
    112,175.91x = 9,974,310,445.71
  5. Step 5: Solve for x
    x = 9,974,310,445.71/112,175.91
  6. Step 6: Final answer
    x = 88,916.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.