Home / 145,612.85-218,444.93-60,223.46

Finding the Fourth Proportional to 145,612.85, 218,444.93 and 60,223.46

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Solution

The fourth proportional to 145,612.85, 218,444.93 and 60,223.46 is: 90,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,612.85 : 218,444.93 = 60,223.46 : x
  2. Step 2: Convert to fraction form
    145,612.85/218,444.93 = 60,223.46/x
  3. Step 3: Cross multiply
    145,612.85x = 218,444.93 × 60,223.46
  4. Step 4: Simplify right side
    145,612.85x = 13,155,509,202.94
  5. Step 5: Solve for x
    x = 13,155,509,202.94/145,612.85
  6. Step 6: Final answer
    x = 90,345.80

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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.