Home / 137,343.93-206,075.10-74,151.51

Finding the Fourth Proportional to 137,343.93, 206,075.10 and 74,151.51

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Solution

The fourth proportional to 137,343.93, 206,075.10 and 74,151.51 is: 111,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,343.93 : 206,075.10 = 74,151.51 : x
  2. Step 2: Convert to fraction form
    137,343.93/206,075.10 = 74,151.51/x
  3. Step 3: Cross multiply
    137,343.93x = 206,075.10 × 74,151.51
  4. Step 4: Simplify right side
    137,343.93x = 15,280,779,838.40
  5. Step 5: Solve for x
    x = 15,280,779,838.40/137,343.93
  6. Step 6: Final answer
    x = 111,259.23

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1.5x scale

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.