Home / 130,075.95-195,132.51-40,126.23

Finding the Fourth Proportional to 130,075.95, 195,132.51 and 40,126.23

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Solution

The fourth proportional to 130,075.95, 195,132.51 and 40,126.23 is: 60,195.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,075.95 : 195,132.51 = 40,126.23 : x
  2. Step 2: Convert to fraction form
    130,075.95/195,132.51 = 40,126.23/x
  3. Step 3: Cross multiply
    130,075.95x = 195,132.51 × 40,126.23
  4. Step 4: Simplify right side
    130,075.95x = 7,829,931,976.74
  5. Step 5: Solve for x
    x = 7,829,931,976.74/130,075.95
  6. Step 6: Final answer
    x = 60,195.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.