Home / 112,376.06-155,078.49-62,075.06

Finding the Fourth Proportional to 112,376.06, 155,078.49 and 62,075.06

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Solution

The fourth proportional to 112,376.06, 155,078.49 and 62,075.06 is: 85,663.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.06 : 155,078.49 = 62,075.06 : x
  2. Step 2: Convert to fraction form
    112,376.06/155,078.49 = 62,075.06/x
  3. Step 3: Cross multiply
    112,376.06x = 155,078.49 × 62,075.06
  4. Step 4: Simplify right side
    112,376.06x = 9,626,506,571.46
  5. Step 5: Solve for x
    x = 9,626,506,571.46/112,376.06
  6. Step 6: Final answer
    x = 85,663.32

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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.