Home / 130,200.32-179,681.28-73,608.32

Finding the Fourth Proportional to 130,200.32, 179,681.28 and 73,608.32

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Solution

The fourth proportional to 130,200.32, 179,681.28 and 73,608.32 is: 101,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,200.32 : 179,681.28 = 73,608.32 : x
  2. Step 2: Convert to fraction form
    130,200.32/179,681.28 = 73,608.32/x
  3. Step 3: Cross multiply
    130,200.32x = 179,681.28 × 73,608.32
  4. Step 4: Simplify right side
    130,200.32x = 13,226,037,156.25
  5. Step 5: Solve for x
    x = 13,226,037,156.25/130,200.32
  6. Step 6: Final answer
    x = 101,582.22

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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.