Home / 161,875.70-223,389.75-90,260.34

Finding the Fourth Proportional to 161,875.70, 223,389.75 and 90,260.34

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Solution

The fourth proportional to 161,875.70, 223,389.75 and 90,260.34 is: 124,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,875.70 : 223,389.75 = 90,260.34 : x
  2. Step 2: Convert to fraction form
    161,875.70/223,389.75 = 90,260.34/x
  3. Step 3: Cross multiply
    161,875.70x = 223,389.75 × 90,260.34
  4. Step 4: Simplify right side
    161,875.70x = 20,163,234,094.71
  5. Step 5: Solve for x
    x = 20,163,234,094.71/161,875.70
  6. Step 6: Final answer
    x = 124,559.98

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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.