Home / 157,090.70-235,600.55-44,768.51

Finding the Fourth Proportional to 157,090.70, 235,600.55 and 44,768.51

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Solution

The fourth proportional to 157,090.70, 235,600.55 and 44,768.51 is: 67,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,090.70 : 235,600.55 = 44,768.51 : x
  2. Step 2: Convert to fraction form
    157,090.70/235,600.55 = 44,768.51/x
  3. Step 3: Cross multiply
    157,090.70x = 235,600.55 × 44,768.51
  4. Step 4: Simplify right side
    157,090.70x = 10,547,484,400.68
  5. Step 5: Solve for x
    x = 10,547,484,400.68/157,090.70
  6. Step 6: Final answer
    x = 67,142.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.