Home / 90,018.63-124,225.70-52,295.31

Finding the Fourth Proportional to 90,018.63, 124,225.70 and 52,295.31

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Solution

The fourth proportional to 90,018.63, 124,225.70 and 52,295.31 is: 72,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.63 : 124,225.70 = 52,295.31 : x
  2. Step 2: Convert to fraction form
    90,018.63/124,225.70 = 52,295.31/x
  3. Step 3: Cross multiply
    90,018.63x = 124,225.70 × 52,295.31
  4. Step 4: Simplify right side
    90,018.63x = 6,496,421,491.47
  5. Step 5: Solve for x
    x = 6,496,421,491.47/90,018.63
  6. Step 6: Final answer
    x = 72,167.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.