Home / 127,756.02-191,657.14-52,835.50

Finding the Fourth Proportional to 127,756.02, 191,657.14 and 52,835.50

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Solution

The fourth proportional to 127,756.02, 191,657.14 and 52,835.50 is: 79,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,756.02 : 191,657.14 = 52,835.50 : x
  2. Step 2: Convert to fraction form
    127,756.02/191,657.14 = 52,835.50/x
  3. Step 3: Cross multiply
    127,756.02x = 191,657.14 × 52,835.50
  4. Step 4: Simplify right side
    127,756.02x = 10,126,300,820.47
  5. Step 5: Solve for x
    x = 10,126,300,820.47/127,756.02
  6. Step 6: Final answer
    x = 79,262.81

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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.