Home / 99,328.07-137,075.59-54,009.18

Finding the Fourth Proportional to 99,328.07, 137,075.59 and 54,009.18

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Solution

The fourth proportional to 99,328.07, 137,075.59 and 54,009.18 is: 74,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.07 : 137,075.59 = 54,009.18 : x
  2. Step 2: Convert to fraction form
    99,328.07/137,075.59 = 54,009.18/x
  3. Step 3: Cross multiply
    99,328.07x = 137,075.59 × 54,009.18
  4. Step 4: Simplify right side
    99,328.07x = 7,403,340,281.43
  5. Step 5: Solve for x
    x = 7,403,340,281.43/99,328.07
  6. Step 6: Final answer
    x = 74,534.22

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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.