Home / 130,392.16-179,945.46-73,802.32

Finding the Fourth Proportional to 130,392.16, 179,945.46 and 73,802.32

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Solution

The fourth proportional to 130,392.16, 179,945.46 and 73,802.32 is: 101,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,392.16 : 179,945.46 = 73,802.32 : x
  2. Step 2: Convert to fraction form
    130,392.16/179,945.46 = 73,802.32/x
  3. Step 3: Cross multiply
    130,392.16x = 179,945.46 × 73,802.32
  4. Step 4: Simplify right side
    130,392.16x = 13,280,392,421.47
  5. Step 5: Solve for x
    x = 13,280,392,421.47/130,392.16
  6. Step 6: Final answer
    x = 101,849.62

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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.