Home / 90,300.15-135,502.07-70,523.19

Finding the Fourth Proportional to 90,300.15, 135,502.07 and 70,523.19

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Solution

The fourth proportional to 90,300.15, 135,502.07 and 70,523.19 is: 105,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,300.15 : 135,502.07 = 70,523.19 : x
  2. Step 2: Convert to fraction form
    90,300.15/135,502.07 = 70,523.19/x
  3. Step 3: Cross multiply
    90,300.15x = 135,502.07 × 70,523.19
  4. Step 4: Simplify right side
    90,300.15x = 9,556,037,875.39
  5. Step 5: Solve for x
    x = 9,556,037,875.39/90,300.15
  6. Step 6: Final answer
    x = 105,825.27

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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.