Home / 151,713.86-209,315.18-98,030.50

Finding the Fourth Proportional to 151,713.86, 209,315.18 and 98,030.50

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Solution

The fourth proportional to 151,713.86, 209,315.18 and 98,030.50 is: 135,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,713.86 : 209,315.18 = 98,030.50 : x
  2. Step 2: Convert to fraction form
    151,713.86/209,315.18 = 98,030.50/x
  3. Step 3: Cross multiply
    151,713.86x = 209,315.18 × 98,030.50
  4. Step 4: Simplify right side
    151,713.86x = 20,519,271,752.99
  5. Step 5: Solve for x
    x = 20,519,271,752.99/151,713.86
  6. Step 6: Final answer
    x = 135,249.82

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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.