Home / 160,244.55-221,130.81-87,646.32

Finding the Fourth Proportional to 160,244.55, 221,130.81 and 87,646.32

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Solution

The fourth proportional to 160,244.55, 221,130.81 and 87,646.32 is: 120,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,244.55 : 221,130.81 = 87,646.32 : x
  2. Step 2: Convert to fraction form
    160,244.55/221,130.81 = 87,646.32/x
  3. Step 3: Cross multiply
    160,244.55x = 221,130.81 × 87,646.32
  4. Step 4: Simplify right side
    160,244.55x = 19,381,301,735.12
  5. Step 5: Solve for x
    x = 19,381,301,735.12/160,244.55
  6. Step 6: Final answer
    x = 120,948.27

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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.