Home / 130,234.02-179,750.86-79,263.16

Finding the Fourth Proportional to 130,234.02, 179,750.86 and 79,263.16

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Solution

The fourth proportional to 130,234.02, 179,750.86 and 79,263.16 is: 109,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,234.02 : 179,750.86 = 79,263.16 : x
  2. Step 2: Convert to fraction form
    130,234.02/179,750.86 = 79,263.16/x
  3. Step 3: Cross multiply
    130,234.02x = 179,750.86 × 79,263.16
  4. Step 4: Simplify right side
    130,234.02x = 14,247,621,176.32
  5. Step 5: Solve for x
    x = 14,247,621,176.32/130,234.02
  6. Step 6: Final answer
    x = 109,400.15

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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.