Home / 125,091.54-171,598.37-118,312.38

Finding the Fourth Proportional to 125,091.54, 171,598.37 and 118,312.38

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Solution

The fourth proportional to 125,091.54, 171,598.37 and 118,312.38 is: 162,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,091.54 : 171,598.37 = 118,312.38 : x
  2. Step 2: Convert to fraction form
    125,091.54/171,598.37 = 118,312.38/x
  3. Step 3: Cross multiply
    125,091.54x = 171,598.37 × 118,312.38
  4. Step 4: Simplify right side
    125,091.54x = 20,302,210,967.26
  5. Step 5: Solve for x
    x = 20,302,210,967.26/125,091.54
  6. Step 6: Final answer
    x = 162,298.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.