Home / 130,092.18-179,312.40-87,056.34

Finding the Fourth Proportional to 130,092.18, 179,312.40 and 87,056.34

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Solution

The fourth proportional to 130,092.18, 179,312.40 and 87,056.34 is: 119,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,092.18 : 179,312.40 = 87,056.34 : x
  2. Step 2: Convert to fraction form
    130,092.18/179,312.40 = 87,056.34/x
  3. Step 3: Cross multiply
    130,092.18x = 179,312.40 × 87,056.34
  4. Step 4: Simplify right side
    130,092.18x = 15,610,281,260.62
  5. Step 5: Solve for x
    x = 15,610,281,260.62/130,092.18
  6. Step 6: Final answer
    x = 119,994.00

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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.