Home / 154,150.74-212,703.30-93,689.10

Finding the Fourth Proportional to 154,150.74, 212,703.30 and 93,689.10

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Solution

The fourth proportional to 154,150.74, 212,703.30 and 93,689.10 is: 129,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,150.74 : 212,703.30 = 93,689.10 : x
  2. Step 2: Convert to fraction form
    154,150.74/212,703.30 = 93,689.10/x
  3. Step 3: Cross multiply
    154,150.74x = 212,703.30 × 93,689.10
  4. Step 4: Simplify right side
    154,150.74x = 19,927,980,744.03
  5. Step 5: Solve for x
    x = 19,927,980,744.03/154,150.74
  6. Step 6: Final answer
    x = 129,275.93

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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.