Home / 210,242.51-290,167.89-133,681.79

Finding the Fourth Proportional to 210,242.51, 290,167.89 and 133,681.79

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Solution

The fourth proportional to 210,242.51, 290,167.89 and 133,681.79 is: 184,502.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,242.51 : 290,167.89 = 133,681.79 : x
  2. Step 2: Convert to fraction form
    210,242.51/290,167.89 = 133,681.79/x
  3. Step 3: Cross multiply
    210,242.51x = 290,167.89 × 133,681.79
  4. Step 4: Simplify right side
    210,242.51x = 38,790,163,159.84
  5. Step 5: Solve for x
    x = 38,790,163,159.84/210,242.51
  6. Step 6: Final answer
    x = 184,502.00

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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.