Home / 152,518.80-210,475.95-84,540.12

Finding the Fourth Proportional to 152,518.80, 210,475.95 and 84,540.12

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Solution

The fourth proportional to 152,518.80, 210,475.95 and 84,540.12 is: 116,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,518.80 : 210,475.95 = 84,540.12 : x
  2. Step 2: Convert to fraction form
    152,518.80/210,475.95 = 84,540.12/x
  3. Step 3: Cross multiply
    152,518.80x = 210,475.95 × 84,540.12
  4. Step 4: Simplify right side
    152,518.80x = 17,793,662,070.11
  5. Step 5: Solve for x
    x = 17,793,662,070.11/152,518.80
  6. Step 6: Final answer
    x = 116,665.37

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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.