Home / 155,268.04-214,117.68-98,581

Finding the Fourth Proportional to 155,268.04, 214,117.68 and 98,581

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Solution

The fourth proportional to 155,268.04, 214,117.68 and 98,581 is: 135,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268.04 : 214,117.68 = 98,581 : x
  2. Step 2: Convert to fraction form
    155,268.04/214,117.68 = 98,581/x
  3. Step 3: Cross multiply
    155,268.04x = 214,117.68 × 98,581
  4. Step 4: Simplify right side
    155,268.04x = 21,107,935,012.08
  5. Step 5: Solve for x
    x = 21,107,935,012.08/155,268.04
  6. Step 6: Final answer
    x = 135,945.14

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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.