Home / 134,019.02-184,946.51-77,430.44

Finding the Fourth Proportional to 134,019.02, 184,946.51 and 77,430.44

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Solution

The fourth proportional to 134,019.02, 184,946.51 and 77,430.44 is: 106,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,019.02 : 184,946.51 = 77,430.44 : x
  2. Step 2: Convert to fraction form
    134,019.02/184,946.51 = 77,430.44/x
  3. Step 3: Cross multiply
    134,019.02x = 184,946.51 × 77,430.44
  4. Step 4: Simplify right side
    134,019.02x = 14,320,489,645.76
  5. Step 5: Solve for x
    x = 14,320,489,645.76/134,019.02
  6. Step 6: Final answer
    x = 106,854.16

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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.