Home / 145,267.04-218,018.28-75,166.40

Finding the Fourth Proportional to 145,267.04, 218,018.28 and 75,166.40

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Solution

The fourth proportional to 145,267.04, 218,018.28 and 75,166.40 is: 112,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267.04 : 218,018.28 = 75,166.40 : x
  2. Step 2: Convert to fraction form
    145,267.04/218,018.28 = 75,166.40/x
  3. Step 3: Cross multiply
    145,267.04x = 218,018.28 × 75,166.40
  4. Step 4: Simplify right side
    145,267.04x = 16,387,649,241.79
  5. Step 5: Solve for x
    x = 16,387,649,241.79/145,267.04
  6. Step 6: Final answer
    x = 112,810.51

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1.5x scale

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.