Home / 152,772.64-210,851.58-89,110.45

Finding the Fourth Proportional to 152,772.64, 210,851.58 and 89,110.45

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Solution

The fourth proportional to 152,772.64, 210,851.58 and 89,110.45 is: 122,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,772.64 : 210,851.58 = 89,110.45 : x
  2. Step 2: Convert to fraction form
    152,772.64/210,851.58 = 89,110.45/x
  3. Step 3: Cross multiply
    152,772.64x = 210,851.58 × 89,110.45
  4. Step 4: Simplify right side
    152,772.64x = 18,789,079,177.01
  5. Step 5: Solve for x
    x = 18,789,079,177.01/152,772.64
  6. Step 6: Final answer
    x = 122,987.20

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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.