Home / 130,173.84-179,510.58-97,985.52

Finding the Fourth Proportional to 130,173.84, 179,510.58 and 97,985.52

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Solution

The fourth proportional to 130,173.84, 179,510.58 and 97,985.52 is: 135,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,173.84 : 179,510.58 = 97,985.52 : x
  2. Step 2: Convert to fraction form
    130,173.84/179,510.58 = 97,985.52/x
  3. Step 3: Cross multiply
    130,173.84x = 179,510.58 × 97,985.52
  4. Step 4: Simplify right side
    130,173.84x = 17,589,437,526.80
  5. Step 5: Solve for x
    x = 17,589,437,526.80/130,173.84
  6. Step 6: Final answer
    x = 135,122.68

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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.