Home / 212,341.81-293,032.74-121,703.17

Finding the Fourth Proportional to 212,341.81, 293,032.74 and 121,703.17

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Solution

The fourth proportional to 212,341.81, 293,032.74 and 121,703.17 is: 167,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,341.81 : 293,032.74 = 121,703.17 : x
  2. Step 2: Convert to fraction form
    212,341.81/293,032.74 = 121,703.17/x
  3. Step 3: Cross multiply
    212,341.81x = 293,032.74 × 121,703.17
  4. Step 4: Simplify right side
    212,341.81x = 35,663,013,371.79
  5. Step 5: Solve for x
    x = 35,663,013,371.79/212,341.81
  6. Step 6: Final answer
    x = 167,950.97

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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.