Home / 130,816.54-180,528.06-74,223.46

Finding the Fourth Proportional to 130,816.54, 180,528.06 and 74,223.46

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Solution

The fourth proportional to 130,816.54, 180,528.06 and 74,223.46 is: 102,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,816.54 : 180,528.06 = 74,223.46 : x
  2. Step 2: Convert to fraction form
    130,816.54/180,528.06 = 74,223.46/x
  3. Step 3: Cross multiply
    130,816.54x = 180,528.06 × 74,223.46
  4. Step 4: Simplify right side
    130,816.54x = 13,399,417,744.29
  5. Step 5: Solve for x
    x = 13,399,417,744.29/130,816.54
  6. Step 6: Final answer
    x = 102,429.08

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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.