Home / 130,507.06-180,094.93-70,889.78

Finding the Fourth Proportional to 130,507.06, 180,094.93 and 70,889.78

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Solution

The fourth proportional to 130,507.06, 180,094.93 and 70,889.78 is: 97,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507.06 : 180,094.93 = 70,889.78 : x
  2. Step 2: Convert to fraction form
    130,507.06/180,094.93 = 70,889.78/x
  3. Step 3: Cross multiply
    130,507.06x = 180,094.93 × 70,889.78
  4. Step 4: Simplify right side
    130,507.06x = 12,766,889,966.82
  5. Step 5: Solve for x
    x = 12,766,889,966.82/130,507.06
  6. Step 6: Final answer
    x = 97,825.28

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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.