Home / 145,552.40-218,328.60-108,688.40

Finding the Fourth Proportional to 145,552.40, 218,328.60 and 108,688.40

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Solution

The fourth proportional to 145,552.40, 218,328.60 and 108,688.40 is: 163,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,552.40 : 218,328.60 = 108,688.40 : x
  2. Step 2: Convert to fraction form
    145,552.40/218,328.60 = 108,688.40/x
  3. Step 3: Cross multiply
    145,552.40x = 218,328.60 × 108,688.40
  4. Step 4: Simplify right side
    145,552.40x = 23,729,786,208.24
  5. Step 5: Solve for x
    x = 23,729,786,208.24/145,552.40
  6. Step 6: Final answer
    x = 163,032.60

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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.