Home / 117,018.36-161,484.51-63,302.58

Finding the Fourth Proportional to 117,018.36, 161,484.51 and 63,302.58

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Solution

The fourth proportional to 117,018.36, 161,484.51 and 63,302.58 is: 87,357.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,018.36 : 161,484.51 = 63,302.58 : x
  2. Step 2: Convert to fraction form
    117,018.36/161,484.51 = 63,302.58/x
  3. Step 3: Cross multiply
    117,018.36x = 161,484.51 × 63,302.58
  4. Step 4: Simplify right side
    117,018.36x = 10,222,386,113.04
  5. Step 5: Solve for x
    x = 10,222,386,113.04/117,018.36
  6. Step 6: Final answer
    x = 87,357.11

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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.