Home / 292,122.24-403,128.96-157,986.24

Finding the Fourth Proportional to 292,122.24, 403,128.96 and 157,986.24

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Solution

The fourth proportional to 292,122.24, 403,128.96 and 157,986.24 is: 218,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,122.24 : 403,128.96 = 157,986.24 : x
  2. Step 2: Convert to fraction form
    292,122.24/403,128.96 = 157,986.24/x
  3. Step 3: Cross multiply
    292,122.24x = 403,128.96 × 157,986.24
  4. Step 4: Simplify right side
    292,122.24x = 63,688,828,625.51
  5. Step 5: Solve for x
    x = 63,688,828,625.51/292,122.24
  6. Step 6: Final answer
    x = 218,021.16

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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.