Home / 90,698.71-136,118.91-62,814.19

Finding the Fourth Proportional to 90,698.71, 136,118.91 and 62,814.19

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Solution

The fourth proportional to 90,698.71, 136,118.91 and 62,814.19 is: 94,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.71 : 136,118.91 = 62,814.19 : x
  2. Step 2: Convert to fraction form
    90,698.71/136,118.91 = 62,814.19/x
  3. Step 3: Cross multiply
    90,698.71x = 136,118.91 × 62,814.19
  4. Step 4: Simplify right side
    90,698.71x = 8,550,199,075.33
  5. Step 5: Solve for x
    x = 8,550,199,075.33/90,698.71
  6. Step 6: Final answer
    x = 94,270.35

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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.