Home / 162,313.10-223,987.78-90,693.71

Finding the Fourth Proportional to 162,313.10, 223,987.78 and 90,693.71

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Solution

The fourth proportional to 162,313.10, 223,987.78 and 90,693.71 is: 125,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,313.10 : 223,987.78 = 90,693.71 : x
  2. Step 2: Convert to fraction form
    162,313.10/223,987.78 = 90,693.71/x
  3. Step 3: Cross multiply
    162,313.10x = 223,987.78 × 90,693.71
  4. Step 4: Simplify right side
    162,313.10x = 20,314,282,762.86
  5. Step 5: Solve for x
    x = 20,314,282,762.86/162,313.10
  6. Step 6: Final answer
    x = 125,154.92

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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.