Home / 161,748.99-223,210.59-90,127.49

Finding the Fourth Proportional to 161,748.99, 223,210.59 and 90,127.49

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Solution

The fourth proportional to 161,748.99, 223,210.59 and 90,127.49 is: 124,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748.99 : 223,210.59 = 90,127.49 : x
  2. Step 2: Convert to fraction form
    161,748.99/223,210.59 = 90,127.49/x
  3. Step 3: Cross multiply
    161,748.99x = 223,210.59 × 90,127.49
  4. Step 4: Simplify right side
    161,748.99x = 20,117,409,102.07
  5. Step 5: Solve for x
    x = 20,117,409,102.07/161,748.99
  6. Step 6: Final answer
    x = 124,374.25

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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.