Home / 155,715.29-213,485.60-152,877.71

Finding the Fourth Proportional to 155,715.29, 213,485.60 and 152,877.71

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Solution

The fourth proportional to 155,715.29, 213,485.60 and 152,877.71 is: 209,595.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.29 : 213,485.60 = 152,877.71 : x
  2. Step 2: Convert to fraction form
    155,715.29/213,485.60 = 152,877.71/x
  3. Step 3: Cross multiply
    155,715.29x = 213,485.60 × 152,877.71
  4. Step 4: Simplify right side
    155,715.29x = 32,637,189,645.98
  5. Step 5: Solve for x
    x = 32,637,189,645.98/155,715.29
  6. Step 6: Final answer
    x = 209,595.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.