Home / 152,280.80-210,112.08-88,582.40

Finding the Fourth Proportional to 152,280.80, 210,112.08 and 88,582.40

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Solution

The fourth proportional to 152,280.80, 210,112.08 and 88,582.40 is: 122,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,280.80 : 210,112.08 = 88,582.40 : x
  2. Step 2: Convert to fraction form
    152,280.80/210,112.08 = 88,582.40/x
  3. Step 3: Cross multiply
    152,280.80x = 210,112.08 × 88,582.40
  4. Step 4: Simplify right side
    152,280.80x = 18,612,232,315.39
  5. Step 5: Solve for x
    x = 18,612,232,315.39/152,280.80
  6. Step 6: Final answer
    x = 122,223.11

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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.