Home / 229,313.61-316,442.14-127,345.55

Finding the Fourth Proportional to 229,313.61, 316,442.14 and 127,345.55

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Solution

The fourth proportional to 229,313.61, 316,442.14 and 127,345.55 is: 175,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,313.61 : 316,442.14 = 127,345.55 : x
  2. Step 2: Convert to fraction form
    229,313.61/316,442.14 = 127,345.55/x
  3. Step 3: Cross multiply
    229,313.61x = 316,442.14 × 127,345.55
  4. Step 4: Simplify right side
    229,313.61x = 40,297,496,460.90
  5. Step 5: Solve for x
    x = 40,297,496,460.90/229,313.61
  6. Step 6: Final answer
    x = 175,730.94

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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.