Home / 130,210.47-179,695.56-76,495.01

Finding the Fourth Proportional to 130,210.47, 179,695.56 and 76,495.01

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Solution

The fourth proportional to 130,210.47, 179,695.56 and 76,495.01 is: 105,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,210.47 : 179,695.56 = 76,495.01 : x
  2. Step 2: Convert to fraction form
    130,210.47/179,695.56 = 76,495.01/x
  3. Step 3: Cross multiply
    130,210.47x = 179,695.56 × 76,495.01
  4. Step 4: Simplify right side
    130,210.47x = 13,745,814,108.39
  5. Step 5: Solve for x
    x = 13,745,814,108.39/130,210.47
  6. Step 6: Final answer
    x = 105,566.12

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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.