Home / 90,637.65-135,970.29-46,240.19

Finding the Fourth Proportional to 90,637.65, 135,970.29 and 46,240.19

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Solution

The fourth proportional to 90,637.65, 135,970.29 and 46,240.19 is: 69,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,637.65 : 135,970.29 = 46,240.19 : x
  2. Step 2: Convert to fraction form
    90,637.65/135,970.29 = 46,240.19/x
  3. Step 3: Cross multiply
    90,637.65x = 135,970.29 × 46,240.19
  4. Step 4: Simplify right side
    90,637.65x = 6,287,292,043.96
  5. Step 5: Solve for x
    x = 6,287,292,043.96/90,637.65
  6. Step 6: Final answer
    x = 69,367.33

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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.