Home / 155,045.79-232,561.40-91,039.59

Finding the Fourth Proportional to 155,045.79, 232,561.40 and 91,039.59

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Solution

The fourth proportional to 155,045.79, 232,561.40 and 91,039.59 is: 136,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,045.79 : 232,561.40 = 91,039.59 : x
  2. Step 2: Convert to fraction form
    155,045.79/232,561.40 = 91,039.59/x
  3. Step 3: Cross multiply
    155,045.79x = 232,561.40 × 91,039.59
  4. Step 4: Simplify right side
    155,045.79x = 21,172,294,050.63
  5. Step 5: Solve for x
    x = 21,172,294,050.63/155,045.79
  6. Step 6: Final answer
    x = 136,555.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.