Home / 153,403.04-230,142.90-121,931.84

Finding the Fourth Proportional to 153,403.04, 230,142.90 and 121,931.84

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Solution

The fourth proportional to 153,403.04, 230,142.90 and 121,931.84 is: 182,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,403.04 : 230,142.90 = 121,931.84 : x
  2. Step 2: Convert to fraction form
    153,403.04/230,142.90 = 121,931.84/x
  3. Step 3: Cross multiply
    153,403.04x = 230,142.90 × 121,931.84
  4. Step 4: Simplify right side
    153,403.04x = 28,061,747,259.94
  5. Step 5: Solve for x
    x = 28,061,747,259.94/153,403.04
  6. Step 6: Final answer
    x = 182,928.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.