Home / 130,017.60-179,304.23-99,804.20

Finding the Fourth Proportional to 130,017.60, 179,304.23 and 99,804.20

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Solution

The fourth proportional to 130,017.60, 179,304.23 and 99,804.20 is: 137,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,017.60 : 179,304.23 = 99,804.20 : x
  2. Step 2: Convert to fraction form
    130,017.60/179,304.23 = 99,804.20/x
  3. Step 3: Cross multiply
    130,017.60x = 179,304.23 × 99,804.20
  4. Step 4: Simplify right side
    130,017.60x = 17,895,313,836.22
  5. Step 5: Solve for x
    x = 17,895,313,836.22/130,017.60
  6. Step 6: Final answer
    x = 137,637.63

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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.