Home / 98,790.86-148,080.02-42,657.41

Finding the Fourth Proportional to 98,790.86, 148,080.02 and 42,657.41

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Solution

The fourth proportional to 98,790.86, 148,080.02 and 42,657.41 is: 63,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,790.86 : 148,080.02 = 42,657.41 : x
  2. Step 2: Convert to fraction form
    98,790.86/148,080.02 = 42,657.41/x
  3. Step 3: Cross multiply
    98,790.86x = 148,080.02 × 42,657.41
  4. Step 4: Simplify right side
    98,790.86x = 6,316,710,282.86
  5. Step 5: Solve for x
    x = 6,316,710,282.86/98,790.86
  6. Step 6: Final answer
    x = 63,940.23

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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.