Home / 130,218.84-179,693.52-72,848.34

Finding the Fourth Proportional to 130,218.84, 179,693.52 and 72,848.34

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Solution

The fourth proportional to 130,218.84, 179,693.52 and 72,848.34 is: 100,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.84 : 179,693.52 = 72,848.34 : x
  2. Step 2: Convert to fraction form
    130,218.84/179,693.52 = 72,848.34/x
  3. Step 3: Cross multiply
    130,218.84x = 179,693.52 × 72,848.34
  4. Step 4: Simplify right side
    130,218.84x = 13,090,374,640.76
  5. Step 5: Solve for x
    x = 13,090,374,640.76/130,218.84
  6. Step 6: Final answer
    x = 100,525.97

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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.