Home / 130,669.84-180,013.80-124,345.36

Finding the Fourth Proportional to 130,669.84, 180,013.80 and 124,345.36

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Solution

The fourth proportional to 130,669.84, 180,013.80 and 124,345.36 is: 171,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,669.84 : 180,013.80 = 124,345.36 : x
  2. Step 2: Convert to fraction form
    130,669.84/180,013.80 = 124,345.36/x
  3. Step 3: Cross multiply
    130,669.84x = 180,013.80 × 124,345.36
  4. Step 4: Simplify right side
    130,669.84x = 22,383,880,765.97
  5. Step 5: Solve for x
    x = 22,383,880,765.97/130,669.84
  6. Step 6: Final answer
    x = 171,301.05

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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.