Home / 155,528.40-214,628.76-88,460.40

Finding the Fourth Proportional to 155,528.40, 214,628.76 and 88,460.40

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Solution

The fourth proportional to 155,528.40, 214,628.76 and 88,460.40 is: 122,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,528.40 : 214,628.76 = 88,460.40 : x
  2. Step 2: Convert to fraction form
    155,528.40/214,628.76 = 88,460.40/x
  3. Step 3: Cross multiply
    155,528.40x = 214,628.76 × 88,460.40
  4. Step 4: Simplify right side
    155,528.40x = 18,986,145,961.10
  5. Step 5: Solve for x
    x = 18,986,145,961.10/155,528.40
  6. Step 6: Final answer
    x = 122,075.11

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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.