Home / 84,156.12-116,130.42-46,430.28

Finding the Fourth Proportional to 84,156.12, 116,130.42 and 46,430.28

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Solution

The fourth proportional to 84,156.12, 116,130.42 and 46,430.28 is: 64,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.12 : 116,130.42 = 46,430.28 : x
  2. Step 2: Convert to fraction form
    84,156.12/116,130.42 = 46,430.28/x
  3. Step 3: Cross multiply
    84,156.12x = 116,130.42 × 46,430.28
  4. Step 4: Simplify right side
    84,156.12x = 5,391,967,917.12
  5. Step 5: Solve for x
    x = 5,391,967,917.12/84,156.12
  6. Step 6: Final answer
    x = 64,071.01

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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.