Home / 158,477.32-218,670.90-90,463.24

Finding the Fourth Proportional to 158,477.32, 218,670.90 and 90,463.24

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Solution

The fourth proportional to 158,477.32, 218,670.90 and 90,463.24 is: 124,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,477.32 : 218,670.90 = 90,463.24 : x
  2. Step 2: Convert to fraction form
    158,477.32/218,670.90 = 90,463.24/x
  3. Step 3: Cross multiply
    158,477.32x = 218,670.90 × 90,463.24
  4. Step 4: Simplify right side
    158,477.32x = 19,781,678,107.72
  5. Step 5: Solve for x
    x = 19,781,678,107.72/158,477.32
  6. Step 6: Final answer
    x = 124,823.40

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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.